Port 22 is used by Secure Shell (SSH). Encrypted remote command-line access to servers. The secure replacement for Telnet. Used by developers and sysadmins worldwide.
What Does an Open Port 22 Mean?
A server is accepting remote logins. SSH on port 22 is constantly scanned by bots attempting brute-force attacks. Use key-based authentication and consider moving to a non-standard port.
This port is expected to be open on servers that run this service.
Security Risk Level
Medium Risk
How to Check if Port 22 Is Open
Use the ExamineIP Port Scanner to check if port 22 is open on any IP address from the public internet. Enter the target IP and select the relevant port preset.
How to Close Port 22
- Stop the service using port 22 if you no longer need it
- Add a firewall rule blocking inbound connections on port 22
- Check your router for port forwarding rules that expose this port
- Run
netstat -ano | findstr :22(Windows) to see which process is using it
Related Ports
SSH is related to: {implode(‘, ‘, Array)}
Protect Your Open Ports
If you need services like remote access, use a VPN to create a private encrypted tunnel instead of exposing ports directly to the internet. A VPN also hides your real IP address so port scanners cannot identify your device. Try PureVPN or IPVanish.